Web Science/Part2: Emerging Web Properties/Modelling Similarity of Text/Cosine Similarity For Vectorspaces/quiz

{Calculate the scalar product between $$\begin{pmatrix} 2 \\ 2 \\ 5 \end{pmatrix}$$ and $$\begin{pmatrix} 2 \\ 3 \\ 0 \end{pmatrix}$$. - 9 + 10 - 14 - 54
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{What is true about the distance measures on vector spaces?} + they can have arbitrary large distances - the cosine distance can be arbitrary large - the euclidean distance is bound to a value of $$2\pi$$ + they can be transformed to a similarity measure